1. The following are 25 final averages in a math class: 46 49 53 60 61 a) b) c) d) e) f) What is the mode? What is the median? What is the mean

1. The following are 25 final averages in a math class: 46 49 53 60 61 a) b) c) d) e) f) What is the mode? What is the median? What is the mean (average)? What is the range? What is the interquartile range? What is the standard deviation? 2. Given the following data : 5, 7, 11, 12, 13, 18 a) What is the mean? What is the standard deviation? B) Add 8 to each data item. What is the new average? What is the new standard deviation? C) Subtract 6 from each data item. What is the new average? What is the new standard deviation? D) Multiply each data item by 7. What is the new average? What is the new standard deviation? E) Divided each data item by 5. What is the new average? What is the new standard deviation? F) What conclusions can you draw about the mean and the standard deviation?